The Showman is a 1930 animated film directed by Dick Huemer and Sid Marcus.
Toby then resumes conducting the orchestra while simultaneously moving a long bow with his tail to play three violins.
Another one features a goldfish which steps out of the fish bowl to dance on the rim.
As they mightily put effort to their music, the puffer fish inflates so much until it bursts.
But when the curtain falls off and Toby is still on stage, the audience hurls objects at him, prompting the dog and even the skeletal fish to run.